... , 80~4000 fpm Sample Rate: 0.5sec Operating temperature: -10~50°C, 14~122°F Special function: Auto power off; Data ... ~20 m/s, 80~4000 fpm, 0~100%RH, -10~50°C, 14~122°F Accuracy:±(2% of reading + 0.3m ... : 0.4~20 m/s, 0~99999m^3/s, -10~50°C, 14~122°F Accuracy:±(2% of reading + 0.3m ... :157 x 60 x 30mm Weight: 180g Anemometer 4000 fpmThermometer Speed Velocity Temperature mph m/s VA8020